private void UpdateZOrderOfThisAndOwner()
{
if (_updatingZOrder)
{
return;
}
try
{
_updatingZOrder = true;
var windowInteropHelper = new WindowInteropHelper(this);
var handle = windowInteropHelper.Handle;
foreach (var shadowWindow in LoadedShadowWindows)
{
if (NativeMethods.GetWindow(new WindowInteropHelper(shadowWindow).Handle, 3) != handle)
{
NativeMethods.SetWindowPos(new WindowInteropHelper(shadowWindow).Handle, handle, 0, 0, 0, 0, 19);
}
handle = new WindowInteropHelper(shadowWindow).Handle;
}
var owner = windowInteropHelper.Owner;
if (!(owner != IntPtr.Zero))
{
return;
}
UpdateZOrderOfOwner(owner);
}
finally
{
_updatingZOrder = false;
}
}
private void UpdateWindowPosCore()
{
var flags = 532;
if (IsVisible)
{
flags |= 64;
}
else
{
flags |= 131;
}
NativeMethods.SetWindowPos(new WindowInteropHelper(this).Handle, IntPtr.Zero, (int)Left, (int)Top,
(int)Width, (int)Height,
flags);
}
private static void UpdateZOrderOfOwner(IntPtr hwndOwner)
{
var lastOwnedWindow = IntPtr.Zero;
NativeMethods.EnumThreadWindows(NativeMethods.GetCurrentThreadId(), (hwnd, lParam) =>
{
if (NativeMethods.GetWindow(hwnd, 4) == hwndOwner)
{
lastOwnedWindow = hwnd;
}
return(true);
}, IntPtr.Zero);
if (!(lastOwnedWindow != IntPtr.Zero) || !(NativeMethods.GetWindow(hwndOwner, 3) != lastOwnedWindow))
{
return;
}
NativeMethods.SetWindowPos(hwndOwner, lastOwnedWindow, 0, 0, 0, 0, 19);
}